Assessing cancer patients’ quality of life and supportive care needs: Translation-revalidation of the CARES in Flemish and exhaustive evaluation of concurrent validity

Table 3 Sample sizes validation research original CARES

Psychometric quality	Analysis	Sample size (N)
Test-retest reliability	Correlations between CARES summary scores	71 120
Test-retest reliability	Rating agreement	71 120
Construct validity	Factor analysis on all items	479
Construct validity	Second-order factor analysis on 31 subscales	479 1047
Concurrent validity	Correlation between CARES and SCL-90	87
Concurrent validity	Correlation between CARES and SCL-90, DAS, KPS and QOL visual analogue scale	120
Sensitivity	CARES compared to clinical interview	22
Sensitivity	CARES compared to a needs assessment interview	24 64
Content validity Acceptability to patients	Questions on relevance of CARES content, completion time, understandability and acceptability items.	22 64

Abbreviations CARES Cancer Rehabilitation Evaluation System, SCL-90 Symptom Checklist-90, DAS Dyadic Adjustment Scale, KPS Karnofsky Performance status Scale

ISSN: 1472-6963